i m terrell brown in for betty nguyen this morning. and this morning good news for congresswoman gabrielle giffords . giffords condition has been upgraded from critical to serious. she s no longer on a ventilator. she s breathing on her own and can move both arms and legs. it was nine days ago that giffords and 18 others were shot at a tucson shopping center. over the weekend funerals were held for some of the victims and the city is trying to come to grips with tragedy. john blackstone reports. reporter: hundreds who were already connected by shock and sorrow walked together sunday through the streets of tucson, organizers called it a walk for peace. the still raw emotions here were evident when one of the victims of the shooting, eric fuller, who took a bullet in the leg, was charged with intimidation and disorderly conduct after he threatened a local tea party leader at a town hall meeting organized by abc news. he booed me as i was talking and then he took a picture